Not getting access to my account

Dear Sir, I have relocated to Hyderabad only last week. Till then i was operating from Bangalore. There i used BSNL for my internet support. But in hyderabad i changed into airtel service. It was operating only from today. When i wanted to open my account, it is not allowing me to operated and asked to fill my last 4 digits. Even after that it is not sending the code to open. what do i do. till last week no problem. After i changed the internet service this is the problem what should i do now. It is very important that i should get access to the account. My hot mail id is rambslmys@hotmail.com. Please advise me, what should i do.
thank you, regards
kalyani